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Finding the Fourth Proportional to 71,594.44, 98,800.36 and 39,763.60

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Solution

The fourth proportional to 71,594.44, 98,800.36 and 39,763.60 is: 54,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.44 : 98,800.36 = 39,763.60 : x
  2. Step 2: Convert to fraction form
    71,594.44/98,800.36 = 39,763.60/x
  3. Step 3: Cross multiply
    71,594.44x = 98,800.36 × 39,763.60
  4. Step 4: Simplify right side
    71,594.44x = 3,928,657,648.49
  5. Step 5: Solve for x
    x = 3,928,657,648.49/71,594.44
  6. Step 6: Final answer
    x = 54,873.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.